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參數(shù)資料
| 型號： | M37470M4-768SP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機 |
| 文件頁數(shù)： | 7/46頁 |
| 文件大?。?/td> | 646K |
| 代理商： | M37470M4-768SP |
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7
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Input/
Output
PIN DESCRIPTION
Pin
Name
Functions
Power source voltage
Analog power
source
Reset input
Clock input
Clock output
Reference voltage
input
I/O port P0
I/O port P1
I/O port P2
Input port P3
I/O port P4
Input port P5
Input
Input
Output
Input
I/O
I/O
I/O
Input
I/O
Input
Notes 1 :
AV
SS
for M37471M2/M4/M8/E4/E8-XXXFP.
2 :
Only P2
0
–P2
3
(IN
0
–IN
3
) 4-bit for 7470 group.
3 :
Only P4
0
and P4
1
2-bit for 7470 group.
4 :
This port is not included in 7470 group.
Apply voltage of 2.7 to 5.5 V to V
CC
, and 0 V to V
SS
.
Ground level input pin for A-D converter.
Same voltage as V
SS
is applied.
To enter the reset state, the reset input pin must be kept at “L” for 2
μ
s or more
(under normal V
CC
conditions).
These are I/O pins of internal clock generating circuit for main clock. To control
generating frequency, an external ceramic or a quartz-crystal oscillator is
connected between the X
IN
and X
OUT
pins. If an external clock is used, the
clock source should be connected the X
IN
pin and the X
OUT
pin should be left
open. Feedback resistor is connected between X
IN
and X
OUT
.
Reference voltage input pin for the A-D converter.
Port P0 is an 8-bit I/O port. The output structure is CMOS output.
When this port is selected for input, pull-up transistor can be connected in
units of 1-bit and a key on wake up function is provided.
Port P1 is an 8-bit I/O port. The output structure is CMOS output.
When this port is selected for input, pull-up transistor can be connected in
units of 4-bit. P1
2
, P1
3
are in common with timer output pins T
0
, T
1
, P1
4
, P1
5
,
P1
6
, P1
7
are in common with serial I/O pins S
IN
, S
OUT
, CLK, S
RDY
, respec-
tively. The output structure of S
OUT
and S
RDY
can be changed to N-channel
open drain output.
Port P2 is an 8-bit I/O port. The output structure is CMOS output.
When this port is selected for input, pull-up transistor can be connected in
units of 4-bit.
This port is in common with analog input pins IN
0
–IN
7
.
Port P3 is a 4-bit input port. P3
0
, P3
1
are in common with external interrupt
input pins INT
0
, INT
1
, and P3
2
, P3
3
are in common with timer input pins
CNTR
0
, CNTR
1
.
Port P4 is a 4-bit I/O port. The output structure is CMOS output. When this
port is selected for input, pull-up transistor can be connected in units of 4-bit.
Port P5 is a 4-bit input port and pull-up transistor can be connected in units of
4-bit. P5
0
, P5
1
are in common with input/output pins of clock for clock function
X
CIN
, X
COUT
. When P5
0
, P5
1
are used as X
CIN
, X
COUT
, connect a ceramic or a
quartz-crystal oscillator between X
CIN
and X
COUT
.
If an external clock input is used, connect the clock input to the X
CIN
pin and
open the X
COUT
pin. Feedback resistor is connected between X
CIN
and X
COUT
pins.
V
CC
, V
SS
AV
SS
(Note 1)
RESET
X
IN
X
OUT
V
REF
P0
0
–P0
7
P1
0
–P1
7
P2
0
–P2
7
(Note 2)
P3
0
–P3
3
P4
0
–P4
3
(Note 3)
P5
0
–P5
3
(Note 4)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37470M4-779SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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| M37470M8 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37470M8-421SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37470M8-XXXSP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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